Safety code for mechanical power-transmission apparatus. 

 - Washington,  Govt. Print. Off.,  1924. 
 - vi, 30 p.  tables, diagrs.  23 cm. 
 - United States.  Bureau of Labor Statistics.  Safety code series. .
 - Bulletin (United States. Bureau of Labor Statistics) ;  364. .
<br/><br/><label>LCCN: </label>l  24000189  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Safety appliances.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 364